Safe Material: This aquarium air stone can be cleaned repeatedly, long term to use, safe material keeps fish healthy and active. Dissolved Oxygen ultra-high: this upgraded air stone releases the bubbles smaller, denser and more uniform, which doubles the rate of dissolving oxygen in the water. Compact size: the bubble stone can be easily concealed and save space with its slim and compact design. Easy to use: 2 suction cups make the air stone firmly adsorbed on the tank. Durable, ideal for home, office aquariums, aquariums and hydroponic nutrient tanks. Quietly Produces Small Dense Bubbles: This aquarium air bubble stone can create a very dense of small bubbles silently. When the bubbles burst in the water, the sound is lower. Create lots of fine bubbles in the fish tank, make dazzling curtain effect. Product Description Description: Produce dense small bubbles silently: This aquarium air bubble stone can create a very dense cloud of small bubbles silently. When the bubbles burst
